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package pgxpool_test
import (
"context"
"testing"
"time"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgconn"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Conn.Release is an asynchronous process that returns immediately. There is no signal when the actual work is
// completed. To test something that relies on the actual work for Conn.Release being completed we must simply wait.
// This function wraps the sleep so there is more meaning for the callers.
func waitForReleaseToComplete() {
time.Sleep(500 * time.Millisecond)
}
type execer interface {
Exec(ctx context.Context, sql string, arguments ...any) (pgconn.CommandTag, error)
}
func testExec(t *testing.T, db execer) {
results, err := db.Exec(context.Background(), "set time zone 'America/Chicago'")
require.NoError(t, err)
assert.EqualValues(t, "SET", results.String())
}
type queryer interface {
Query(ctx context.Context, sql string, args ...any) (pgx.Rows, error)
}
func testQuery(t *testing.T, db queryer) {
var sum, rowCount int32
rows, err := db.Query(context.Background(), "select generate_series(1,$1)", 10)
require.NoError(t, err)
for rows.Next() {
var n int32
rows.Scan(&n)
sum += n
rowCount++
}
assert.NoError(t, rows.Err())
assert.Equal(t, int32(10), rowCount)
assert.Equal(t, int32(55), sum)
}
type queryRower interface {
QueryRow(ctx context.Context, sql string, args ...any) pgx.Row
}
func testQueryRow(t *testing.T, db queryRower) {
var what, who string
err := db.QueryRow(context.Background(), "select 'hello', $1::text", "world").Scan(&what, &who)
assert.NoError(t, err)
assert.Equal(t, "hello", what)
assert.Equal(t, "world", who)
}
type sendBatcher interface {
SendBatch(context.Context, *pgx.Batch) pgx.BatchResults
}
func testSendBatch(t *testing.T, db sendBatcher) {
batch := &pgx.Batch{}
batch.Queue("select 1")
batch.Queue("select 2")
br := db.SendBatch(context.Background(), batch)
var err error
var n int32
err = br.QueryRow().Scan(&n)
assert.NoError(t, err)
assert.EqualValues(t, 1, n)
err = br.QueryRow().Scan(&n)
assert.NoError(t, err)
assert.EqualValues(t, 2, n)
err = br.Close()
assert.NoError(t, err)
}
type copyFromer interface {
CopyFrom(context.Context, pgx.Identifier, []string, pgx.CopyFromSource) (int64, error)
}
func testCopyFrom(t *testing.T, db interface {
execer
queryer
copyFromer
}) {
_, err := db.Exec(context.Background(), `create temporary table foo(a int2, b int4, c int8, d varchar, e text, f date, g timestamptz)`)
require.NoError(t, err)
tzedTime := time.Date(2010, 2, 3, 4, 5, 6, 0, time.Local)
inputRows := [][]any{
{int16(0), int32(1), int64(2), "abc", "efg", time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), tzedTime},
{nil, nil, nil, nil, nil, nil, nil},
}
copyCount, err := db.CopyFrom(context.Background(), pgx.Identifier{"foo"}, []string{"a", "b", "c", "d", "e", "f", "g"}, pgx.CopyFromRows(inputRows))
assert.NoError(t, err)
assert.EqualValues(t, len(inputRows), copyCount)
rows, err := db.Query(context.Background(), "select * from foo")
assert.NoError(t, err)
var outputRows [][]any
for rows.Next() {
row, err := rows.Values()
if err != nil {
t.Errorf("Unexpected error for rows.Values(): %v", err)
}
outputRows = append(outputRows, row)
}
assert.NoError(t, rows.Err())
assert.Equal(t, inputRows, outputRows)
}
func assertConfigsEqual(t *testing.T, expected, actual *pgxpool.Config, testName string) {
if !assert.NotNil(t, expected) {
return
}
if !assert.NotNil(t, actual) {
return
}
assert.Equalf(t, expected.ConnString(), actual.ConnString(), "%s - ConnString", testName)
// Can't test function equality, so just test that they are set or not.
assert.Equalf(t, expected.AfterConnect == nil, actual.AfterConnect == nil, "%s - AfterConnect", testName)
assert.Equalf(t, expected.BeforeAcquire == nil, actual.BeforeAcquire == nil, "%s - BeforeAcquire", testName)
assert.Equalf(t, expected.AfterRelease == nil, actual.AfterRelease == nil, "%s - AfterRelease", testName)
assert.Equalf(t, expected.MaxConnLifetime, actual.MaxConnLifetime, "%s - MaxConnLifetime", testName)
assert.Equalf(t, expected.MaxConnIdleTime, actual.MaxConnIdleTime, "%s - MaxConnIdleTime", testName)
assert.Equalf(t, expected.MaxConns, actual.MaxConns, "%s - MaxConns", testName)
assert.Equalf(t, expected.MinConns, actual.MinConns, "%s - MinConns", testName)
assert.Equalf(t, expected.HealthCheckPeriod, actual.HealthCheckPeriod, "%s - HealthCheckPeriod", testName)
assertConnConfigsEqual(t, expected.ConnConfig, actual.ConnConfig, testName)
}
func assertConnConfigsEqual(t *testing.T, expected, actual *pgx.ConnConfig, testName string) {
if !assert.NotNil(t, expected) {
return
}
if !assert.NotNil(t, actual) {
return
}
assert.Equalf(t, expected.Tracer, actual.Tracer, "%s - Tracer", testName)
assert.Equalf(t, expected.ConnString(), actual.ConnString(), "%s - ConnString", testName)
assert.Equalf(t, expected.StatementCacheCapacity, actual.StatementCacheCapacity, "%s - StatementCacheCapacity", testName)
assert.Equalf(t, expected.DescriptionCacheCapacity, actual.DescriptionCacheCapacity, "%s - DescriptionCacheCapacity", testName)
assert.Equalf(t, expected.DefaultQueryExecMode, actual.DefaultQueryExecMode, "%s - DefaultQueryExecMode", testName)
assert.Equalf(t, expected.DefaultQueryExecMode, actual.DefaultQueryExecMode, "%s - DefaultQueryExecMode", testName)
assert.Equalf(t, expected.Host, actual.Host, "%s - Host", testName)
assert.Equalf(t, expected.Database, actual.Database, "%s - Database", testName)
assert.Equalf(t, expected.Port, actual.Port, "%s - Port", testName)
assert.Equalf(t, expected.User, actual.User, "%s - User", testName)
assert.Equalf(t, expected.Password, actual.Password, "%s - Password", testName)
assert.Equalf(t, expected.ConnectTimeout, actual.ConnectTimeout, "%s - ConnectTimeout", testName)
assert.Equalf(t, expected.RuntimeParams, actual.RuntimeParams, "%s - RuntimeParams", testName)
// Can't test function equality, so just test that they are set or not.
assert.Equalf(t, expected.ValidateConnect == nil, actual.ValidateConnect == nil, "%s - ValidateConnect", testName)
assert.Equalf(t, expected.AfterConnect == nil, actual.AfterConnect == nil, "%s - AfterConnect", testName)
if assert.Equalf(t, expected.TLSConfig == nil, actual.TLSConfig == nil, "%s - TLSConfig", testName) {
if expected.TLSConfig != nil {
assert.Equalf(t, expected.TLSConfig.InsecureSkipVerify, actual.TLSConfig.InsecureSkipVerify, "%s - TLSConfig InsecureSkipVerify", testName)
assert.Equalf(t, expected.TLSConfig.ServerName, actual.TLSConfig.ServerName, "%s - TLSConfig ServerName", testName)
}
}
if assert.Equalf(t, len(expected.Fallbacks), len(actual.Fallbacks), "%s - Fallbacks", testName) {
for i := range expected.Fallbacks {
assert.Equalf(t, expected.Fallbacks[i].Host, actual.Fallbacks[i].Host, "%s - Fallback %d - Host", testName, i)
assert.Equalf(t, expected.Fallbacks[i].Port, actual.Fallbacks[i].Port, "%s - Fallback %d - Port", testName, i)
if assert.Equalf(t, expected.Fallbacks[i].TLSConfig == nil, actual.Fallbacks[i].TLSConfig == nil, "%s - Fallback %d - TLSConfig", testName, i) {
if expected.Fallbacks[i].TLSConfig != nil {
assert.Equalf(t, expected.Fallbacks[i].TLSConfig.InsecureSkipVerify, actual.Fallbacks[i].TLSConfig.InsecureSkipVerify, "%s - Fallback %d - TLSConfig InsecureSkipVerify", testName)
assert.Equalf(t, expected.Fallbacks[i].TLSConfig.ServerName, actual.Fallbacks[i].TLSConfig.ServerName, "%s - Fallback %d - TLSConfig ServerName", testName)
}
}
}
}
}
|
